US Bridges

E24-MLK Jr Offramp over 42nd Street

Good

Alameda County, California · 04-ALA-024-R2.33-OAK · Structure no. 33 0363S

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
21,300
2012 count
Owner
State
State Highway Agency

About this bridge

E24-MLK Jr Offramp over 42nd Street is a concrete continuous box beam or girders - multiple carrying E24-MLK Jr Offramp over 42nd Street in Alameda County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,300 vehicles a day, roughly 2% of them trucks, projected to reach 25,245 by 2044. The structure is 125 ft (38.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE24-MLK Jr Offramp
Crosses42nd Street
Location04-ALA-024-R2.33-OAK
RouteState Highway 24
Coordinates37.83099, -122.26586
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length125 ft (38.1 m)
Longest span62 ft (18.9 m)
Deck width56 ft (17.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,300 (2012)
Projected traffic25,245 by 2044
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E24-MLK Jr Offramp over 42nd Street built?

It was built in 1970, making it 55 years old in 2025.

What condition is E24-MLK Jr Offramp over 42nd Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does E24-MLK Jr Offramp over 42nd Street carry?

About 21,300 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is E24-MLK Jr Offramp over 42nd Street?

The structure is 125 ft (38.1 m) long with a longest span of 62 ft (18.9 m) and a deck 56 ft wide.

Who owns E24-MLK Jr Offramp over 42nd Street?

It is owned by the State Highway Agency.